Germany: Airmail

According to the Airmail labels catalog these were

"Issued by C.Ziesing, a stamp dealer at Karl-Marx-Stadt for the 'Esperanto-Gruppe im Deutschen Kulturbund"

There were two issued and apparently one was a misprint. 

Year: 1969, gummed.
GDR-C-4, misprint, aerposta

Year: 1969, gummed.
GDR-C-5

Germany: Airmail/Priority labels from stamp sheet

These are from a stamp sheet

Porto für postkarten = stamps for postcards

Year: 2009, Self-adhesive.

Germnay: Airmail/Priority labels, same design, different colors

Pretty sure these were used right before the blue/white (priority) ones came out in 2011.

These are also from a roll.

Same design, but two different colors. Lighter more mat blue and Dark blue.

Year: ? Before 2011, Self-adhesive.

Germany: New Labels, Airmail/Priority

Germany recently got new labels. I got some of them in the mail today. They come from a roll.

Year: 2011, Self-adhesive.

Germany: Premium Airmail/Priority labels

Together with the labels from Russia, I also got these Premium airmail labels. I have never seen these labels before.

Year: ?, Self-Adhesive.